Cucumber Interview Questions and Answers for 10 years experience

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100 Cucumber Interview Questions and Answers

  1. What is Cucumber?

    • Answer: Cucumber is a Behavior Driven Development (BDD) tool that allows you to write tests in plain English, making them easily understandable by both technical and non-technical stakeholders. It uses Gherkin, a simple language, to define scenarios, and integrates with various programming languages and testing frameworks.

  2. Explain the Gherkin syntax.

    • Answer: Gherkin uses keywords like `Feature`, `Scenario`, `Given`, `When`, `Then`, `And`, `But` to structure test cases. `Feature` describes the functionality being tested. `Scenario` outlines a specific test case. `Given` sets the pre-conditions, `When` describes the action, and `Then` specifies the expected outcome. `And` and `But` are used to add more steps to `Given`, `When`, or `Then`.

  3. What are the benefits of using Cucumber?

    • Answer: Cucumber improves communication between developers, testers, and business stakeholders by using a shared, understandable language. It promotes collaboration, reduces ambiguity, and ensures everyone is on the same page regarding requirements and functionality. It also allows for better test maintainability and facilitates automated testing.

  4. How does Cucumber integrate with other tools?

    • Answer: Cucumber integrates with various testing frameworks (e.g., JUnit, TestNG, RSpec), build tools (e.g., Maven, Gradle), and CI/CD pipelines (e.g., Jenkins, GitLab CI). It uses glue code (written in a programming language like Java, Ruby, Python) to connect the Gherkin steps to the actual implementation of the tests.

  5. Explain the concept of step definitions.

    • Answer: Step definitions are the code that implements the actions described in the Gherkin steps. They are written in a chosen programming language and use regular expressions to match the Gherkin step text. Each step definition corresponds to a specific `Given`, `When`, or `Then` step.

  6. How do you handle data-driven testing in Cucumber?

    • Answer: Data-driven testing in Cucumber can be achieved using different approaches, such as using external data files (CSV, Excel, JSON) or embedding data directly within the feature files using Data Tables or examples. These data sets are then used to run the same scenario with different input values.

  7. What are Cucumber tags and how are they used?

    • Answer: Cucumber tags are used to categorize and filter scenarios. They are added to feature files or scenarios using the `@` symbol followed by the tag name. This allows you to run specific sets of scenarios based on tags, making the execution process more selective and efficient.

  8. How do you manage test data in Cucumber?

    • Answer: Test data can be managed using various techniques, including external data files (CSV, Excel, databases), environment variables, or dedicated test data management tools. The chosen method depends on the complexity and volume of test data.

  9. Describe your experience with Cucumber reporting.

    • Answer: [Describe specific reporting tools used like ExtentReports, Allure, etc. and how they were integrated with the Cucumber framework. Mention the types of reports generated, including details like screenshots, logs, and summary reports. Discuss how reporting helped in analyzing test results and identifying failures.]

  10. How do you handle different environments (dev, test, prod) in Cucumber?

    • Answer: [Explain how you would use environment variables, configuration files (properties files, YAML), or external data sources to manage environment-specific settings like URLs, database credentials, etc. Detail how you would switch between environments without modifying the test code.]

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